<script setup lang="ts">
import { computed } from 'vue'
import VuePdfApp from 'vue3-pdf-app'
import 'vue3-pdf-app/dist/icons/main.css'
interface Props {
  src: string // pdf地址
  width?: string|number // 预览容器宽度
  height?: string|number // 预览容器高度
  pageScale?: number|string // 页面默认缩放规则，可选 'page-actual'|'page-width'|'page-height'|'page-fit'|'auto'
  theme?: string // 预览主题 可选 dark | light
  fileName?: string // 覆盖pdf文件名
}
/*const srcstatic='http://erp.optosky.com:9001/test.pdf'*/
const props = withDefaults(defineProps<Props>(), {
  src: '',
  width: '100%',
  height: '100vh',
  pageScale: 'page-fit', // 默认自适应展示一页
  theme: 'dark',
  fileName: 'a'
})
const viewerWidth = computed(() => {
  if (typeof props.width === 'number') {
    return props.width + 'px'
  } else {
    return props.width
  }
})
const viewerHeight = computed(() => {
  if (typeof props.height === 'number') {
    return props.height + 'px'
  } else {
    return props.height
  }
})
// emitted only once when Pdfjs library is binded to vue component
// Can be used to set Pdfjs config before pdf document opening.
// function afterCreated (pdfApp: any) {
//   console.log('afterCreated pdfApp:', pdfApp)
// }
// emitted when pdf is opened but pages are not rendered
// function openHandler (pdfApp: any) {
//   console.log('open pdfApp:', pdfApp)
// }
const emit = defineEmits(['loaded'])
// emitted when pdf document pages are rendered. Can be used to set default pages scale
function pagesRendered (pdfApp: any) {
  console.log('pagesRendered pdfApp:', pdfApp)
  emit('loaded', pdfApp)
}
</script>
<template>
  <!-- viewer.properties: 该文件已放置本地，使用相对路径引入，亦可放置cdn上，使用网络路径引入 -->
  <!--  <link rel="resource" type="application/l10n" href="/src/assets/files/viewer.properties">-->
  {{ props.src }}
  <VuePdfApp
    :page-scale="props.pageScale"
    :theme="props.theme"
    :style="`width: ${viewerWidth}; height: ${viewerHeight};`"
    :pdf="props.src"
    :fileName="props.fileName"
    @pages-rendered="pagesRendered"
    v-bind="$attrs"></VuePdfApp>
</template>
<style  scoped>
:deep(*) {
  box-sizing: content-box;
}

.pdf-app.dark {
  --pdf-app-background-color: rgb(83, 86, 89);
  --pdf-sidebar-content-color: rgb(51, 54, 57);
  --pdf-toolbar-sidebar-color: #24364e;
  --pdf-toolbar-color: rgb(50, 54, 57);
  --pdf-loading-bar-color: #606c88;
  --pdf-find-results-count-color: #d9d9d9;
  --pdf-find-results-count-font-color: #525252;
  --pdf-find-message-font-color: #a6b7d0;
  --pdf-not-found-color: #f66;
  --pdf-split-toolbar-button-separator-color: #fff;
  --pdf-toolbar-font-color: #d9d9d9;

  --pdf-button-toggled-color: #606c88;
  --pdf-horizontal-toolbar-separator-color: #fff;
  --pdf-input-color: #606c88;
  --pdf-input-font-color: #d9d9d9;
  --pdf-thumbnail-selection-ring-color: hsla(0,0%,100%,.15);
  --pdf-thumbnail-selection-ring-selected-color: rgb(147, 179, 242);
  --pdf-error-wrapper-color: #f55;
  --pdf-error-more-info-color: #d9d9d9;
  --pdf-error-more-info-font-color: #000;
  --pdf-overlay-container-color: rgba(0,0,0,.2);
  --pdf-overlay-container-dialog-color: #24364e;
  --pdf-overlay-container-dialog-font-color: #d9d9d9;
  --pdf-overlay-container-dialog-separator-color: #fff;
  --pdf-dialog-button-font-color: #d9d9d9;
  --pdf-dialog-button-color: #606c88;

}
/* for light theme */
.pdf-app.light {
  --pdf-app-background-color: rgb(245,245,245);
  --pdf-sidebar-content-color: rgb(245,245,245);
  --pdf-toolbar-sidebar-color: rgb(190,190,190);
  --pdf-toolbar-color: rgb(225,225,225);
  --pdf-loading-bar-color: #3f4b5b;
  --pdf-loading-bar-secondary-color: #666;
  --pdf-find-results-count-color: #3f4b5b;
  --pdf-find-results-count-font-color: hsla(0,0%,100%,.87);
  --pdf-find-message-font-color: hsla(0,0%,100%,.87);
  --pdf-not-found-color: brown;
  --pdf-split-toolbar-button-separator-color: #000;
  --pdf-toolbar-font-color: rgb(142,142,142);
  --pdf-button-hover-font-color: #666;
  --pdf-button-toggled-color: #3f4b5b;
  --pdf-horizontal-toolbar-separator-color: #000;
  --pdf-input-color: #3f4b5b;
  --pdf-input-font-color: #d9d9d9;
  --pdf-find-input-placeholder-font-color: #666;
  --pdf-thumbnail-selection-ring-color: hsla(208,7%,46%,.7);
  --pdf-thumbnail-selection-ring-selected-color: #3f4b5b;
  --pdf-error-wrapper-color: #f55;
  --pdf-error-more-info-color: #d9d9d9;
  --pdf-error-more-info-font-color: #000;
  --pdf-overlay-container-color: hsla(208,7%,46%,.7);
  --pdf-overlay-container-dialog-color: #6c757d;
  --pdf-overlay-container-dialog-font-color: #d9d9d9;
  --pdf-overlay-container-dialog-separator-color: #000;
  --pdf-dialog-button-font-color: #d9d9d9;
  --pdf-dialog-button-color: #3f4b5b;

}
</style>
